★★★★★
November 15, 2025
Great product
Fit like a glove, very easy to install. And a lot cheaper than other places
Replaces
About TRQ:
TRQ is a trusted brand dedicated to making every repair a success story by combining premium parts with easy installation. Each TRQ part is engineered by a team of automotive experts to meet or exceed OEM standards, delivering enhanced performance and maximum longevity. With rigorous in-house testing, the brand ensures superior fit and function across every product line. TRQ also provides customers with best-in-class, step-by-step installation videos—so you can complete repairs with confidence, whether you're a first-time DIYer or an industry professional.
Attention California Customers:
WARNING: This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
This part fits 18 vehicles spanning 2008-2016.
| Year | Make | Model | Description |
|---|---|---|---|
| 2008-2015 | Kenworth | T600 | Kenworth T600 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2015 | Kenworth | T660 | Kenworth T660 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2015 | Kenworth | T800 | Kenworth T800 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2016 | Kenworth | W900 | Kenworth W900 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2015 | Peterbilt | 330 | Peterbilt 330 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2010 | Peterbilt | 335 | Peterbilt 335 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2011-2013 | Peterbilt | 337 | Peterbilt 337 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2010 | Peterbilt | 340 | Peterbilt 340 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2010-2015 | Peterbilt | 348 | Peterbilt 348 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008 | Peterbilt | 357 | Peterbilt 357 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2013 | Peterbilt | 365 | Peterbilt 365 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2013 | Peterbilt | 367 | Peterbilt 367 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2012-2013 | Peterbilt | 382 | Peterbilt 382 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2015 | Peterbilt | 384 | Peterbilt 384 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2013 | Peterbilt | 386 | Peterbilt 386 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2011 | Peterbilt | 387 | Peterbilt 387 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2013 | Peterbilt | 388 | Peterbilt 388 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| 2008-2013 | Peterbilt | 389 | Peterbilt 389 Cummins or Caterpillar Engine with BEHR Type HVAC System Coolant Reservoir TRQ ECA92050 |
| Brand Label | Part Number |
|---|---|
| DIY Solutions | HVA02817 |
| Dorman | 603-5403 |
| Dorman - HD Solutions | 603-5403 |
| Peterbilt | N5346001 |
This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.
Lifetime Warranty
This item is backed by our limited lifetime warranty. In the event that this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
FREE Shipping is standard on orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii and Alaska.
Shipping is not available to a P.O. Box, APO/FPO/DPO addresses, US Territories, or Canada for this item.
Expedited is available on checkout to the United States, excluding Alaska, Hawaii.
Final shipping costs are available at checkout.
ECA92050
Fit like a glove, very easy to install. And a lot cheaper than other places
Yes it does
